Compare two names
Jansen and Janson side by side: Jansen peaked in 1994 and Janson in 2016; in 2025 they were given to 34 and 17 babies.
Jansen and Janson, year by year
Girls and boys together; Jansen solid, Janson dashed.
| Jansen | Janson | |
|---|---|---|
| Births 2025 | 34 | 17 |
| Rank 2025 | #3,403 among boys’ names | #5,485 among boys’ names |
| Recorded since 1880 | 2,338 | 1,170 |
| Peak year | 1994 | 2016 |
| Girls | 9% | 0% |
| Alive, estimated | 2,270 | 1,130 |
| Median age | 25 | 26 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.